From owner-freebsd-performance@FreeBSD.ORG  Fri Sep 23 12:06:01 2005
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Date: Fri, 23 Sep 2005 08:06:00 -0400 (EDT)
From: Francisco Reyes <lists@natserv.com>
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To: Joseph Koshy <joseph.koshy@gmail.com>
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Cc: FreeBSD Performance <freebsd-performance@freebsd.org>
Subject: Re: Finding what's causing I/O
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On Fri, 23 Sep 2005, Joseph Koshy wrote:

>> Is there a way to find out which program(s) are causing
>> the I/O?
>
> ktrace(8); you can use it to trace all descendants of 'init'.

Looking at the man page it's non-obvious how to use it (to me).


Specially it seems one needs to indicate a pid or a command. How do I 
trace all programs?